n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 8 |
5 | 25 |
6 | 77 |
7 | 262 |
8 | 897 |
9 | 3208 |
10 | 11658 |
11 | 43243 |
12 | 162477 |
13 | 618219 |
14 | 2374699 |
15 | 9200541 |
16 | 35903017 |
17 | 140997527 |
18 | 556798525 |
19 | 2209685939 |
20 | 8807924914 |
21 | 35248187347 |
22 | 141564134395 |
23 | 570402287162 |
24 | 2305138038036 |
25 | 9340981510156 |
26 | 37946616550787 |
[1,1,3,8,25,77,262,897,3208,11658,43243,162477, 618219,2374699,9200541,35903017,140997527, 556798525,2209685939,8807924914,35248187347, 141564134395,570402287162,2305138038036, 9340981510156,37946616550787] |